diff --git a/en/device-dev/kernel/Readme-EN.md b/en/device-dev/kernel/Readme-EN.md
index 00a0dd4ac5ed09a68308d226920db376deed97a5..87197a93f35151ec462438d991ac14185da1115d 100644
--- a/en/device-dev/kernel/Readme-EN.md
+++ b/en/device-dev/kernel/Readme-EN.md
@@ -175,8 +175,7 @@
   - [Applying Patches on Development Boards](kernel-standard-patch.md)
   - [Compiling and Building the Linux Kernel](kernel-standard-build.md)
   - [Enhanced Kernel Features](kernel-standard-enhanced-features.md)
-            - [Memory Management](kernel-standard-mm.md)
-                - [Enhanced SWAP](kernel-standard-mm-eswap.md)
-            - [Task Scheduling](kernel-standard-sched.md)
-                - [Related Thread Group](kernel-standard-sched-rtg.md)
-                - [Lightweight CPU Isolation](kernel-standard-sched-cpuisolation.md)         
\ No newline at end of file
+    - [Enhanced SWAP](kernel-standard-mm-eswap.md)
+    - [Task Scheduling](kernel-standard-sched.md)
+      - [Related Thread Group](kernel-standard-sched-rtg.md)
+      - [Lightweight CPU Isolation](kernel-standard-sched-cpuisolation.md)         
\ No newline at end of file